XFX Radeon 5750 XXX Review

Test Setup and Overclocking

Naturally when reviewing a graphics card it's important that the subsystem doesn't inhibit the performance possibility of the card. For this reason we're using a P55 based system with our Intel i7 870 running at 4GHz to make sure the 5750 XXX never wants for information to process.

Our tests will be run in the usual OC3D manner with them being performed 5 times, the fastest and slowest discarded then an average of the remainder taken. Although this is a pre-overclocked card we're also running the tests in the "out the box" and overclocked states.

Overclocking

The XFX HD5750 XXX is factory overclocked by 40MHz on the GPU core, and 50MHz on the GDDR5 when compared to the standard XFX HD5750. Whilst this isn't a paultry gain as always we love to push things a little harder to see what performance is available.

Using the ATI Overdrive feature available as part of the Catalyst Control Centre, we gradually increased the settings, checking for artifacts and temperatures all the time. The best stable overclock we managed was 60MHz extra on the RAM and 65MHz extra on the GPU. Temperatures were still well within tolerances but 815MHz or higher started to get artifacts or make the graphics driver crash, so we throttled back to 805MHz which ran perfectly stable and it was at this speed that our tests were run.

One thing to notice is that we, as always, pushed the fan to the maximum to ensure temperature isn't an issue whilst overclocking and the moment you get past 50% on the fan it sounds like a hurricane. 100% is utterly intolerable and was audible in the other room akin to someone vacuuming.

With our overclocking out the way and the rig set up, let's get on to some results.

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